[GRASS-user] Dissolve and sum field

[Phil Donovan]

How does one dissolve and sum a field in GRASS? I guess one way would be to
create a separate table of summed values and then join them back to the new
dissolved layer? How would you create this table of summed values?

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*Example table:*

Dissolve Column    |      Sum column
1                          |       0.5
1                          |       0.5
1                          |       0.5
2                          |       0.25
2                          |       0.25

*into:*

Diss C | Sum C
1         | 1.5
2         | 0.5

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Cheers Phil.
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